Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Acetyl-4,5-dichlorothiophene
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Acetyl-4,5-dichlorothiophene
Price: ￥806.0/100mg ￥3226.0/1g ￥1286.0/250mg
Purity: 95.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Acetyl-4,5-dichlorothiophene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

57681-59-1

57681-59-1 structure

57681-59-1 structure

Name: 2-Acetyl-4,5-dichlorothiophene
Chemical Name: 1-(4,5-dichlorothiophen-2-yl)ethanone
CAS Number: 57681-59-1
Molecular Formula: C₆H₄Cl₂OS
Molecular Weight: 195.06600
Create Date: 2018-03-03 08:00:00
Modify Date: 2025-09-02 19:53:38

Name	1-(4,5-dichlorothiophen-2-yl)ethanone
Synonyms	1-(4,5-Dichlor-2-thienyl)-ethanon 1-(4,5-dichloro-[2]thienyl)-ethanone Ethanone,1-(4,5-dichloro-2-thienyl) 2-Acetyl-4.5-dichlor-thiophen 2-Acetyl-4,5-dichlorothiophene 1-(4,5-Dichlor-[2]thienyl)-aethanon 1-(4,5-dichloro-thiophen-2-yl)-ethanone 2.3-Dichlor-5-acetyl-thiophen

Density	1.452g/cm3
Boiling Point	300.8ºC at 760mmHg
Molecular Formula	C₆H₄Cl₂OS
Molecular Weight	195.06600
Flash Point	135.7ºC
Exact Mass	193.93600
PSA	45.31000
LogP	3.25750
Index of Refraction	1.575

Risk Phrases	36/37/38
Safety Phrases	26-36/37/39
HS Code	2934999090

17249-79-5 structure

17249-79-5

68-12-2 structure

68-12-2

~19%

57681-59-1 structure

57681-59-1

Literature: AMGEN, INC. Patent: WO2006/66172 A1, 2006 ; Location in patent: Page/Page column 33-34 ; WO 2006/066172 A1

88-15-3 structure

88-15-3

~93%

57681-59-1 structure

57681-59-1

Literature: Stanetty, Peter; Puschautz, Erhard; Friedbacher, Gernot Monatshefte fuer Chemie, 1989 , vol. 120, p. 53 - 63

17249-79-5 structure

17249-79-5

75-36-5 structure

75-36-5

~%

57681-59-1 structure

57681-59-1

Literature: Justus Liebigs Annalen der Chemie, , vol. 532, p. 250,279

Precursor 4
17249-79-5 68-12-2 88-15-3 75-36-5
DownStream 5
34730-20-6 59614-95-8 31166-29-7 123418-66-6
123418-69-9

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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